| <!DOCTYPE html> | |
| <head> | |
| <title>This tests if inserting content as body sibling triggers assertion.</title> | |
| </head> | |
| <div>Pass if no assert or crash in debug.</div> | |
| <script> | |
| if (window.testRunner) | |
| testRunner.dumpAsText(); | |
| var iframe = document.createElement("iframe"); | |
| document.head.parentNode.insertBefore(iframe, document.head.nextSibling); | |
| document.execCommand("SelectAll"); | |
| document.designMode = "on"; | |
| document.execCommand("JustifyCenter", false, null); | |
| </script> |